I currently have NVIDIA GeForce GT 520 and want to upgrade to something a little more gamer friendly. I am looking at 6570, 6670 or 7750. I am out of my depth a little here so any help would be appreciated. Which would be better and will they work with my current pc
System Manufacturer: Gigabyte Technology Co., Ltd.
System Model: P55A-UD3
BIOS: Award Modular BIOS v6.00PG
Processor: Intel(R) Core(TM) i3 CPU 540 @ 3.07GHz (4 CPUs), ~3.1GHz
Memory: 4096MB RAM
Available OS Memory: 4088MB RAM